my code s/(\;do.*)(\<\/iframe\>\'\)\;)/sss/; matches only first 4 symbols...

The regex inside your substitution matches the whole string, not "only first 4 symbols", whatever you mean by "symbol".

So, what do you want to do?

Update: The OP silently updated his node, so this reply might or might not be irrelevant now.

Perl 6 - the future is here, just unevenly distributed

In reply to Re: trouble with regular expressions by moritz
in thread trouble with regular expressions by programmer.perl

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